diff --git a/docs/tests/navigation/exclude/0.md b/docs/tests/navigation/exclude/0.md
new file mode 100644
index 0000000..3e49590
--- /dev/null
+++ b/docs/tests/navigation/exclude/0.md
@@ -0,0 +1,13 @@
+---
+layout: default
+title: "0"
+has_children: true
+nav_exclude: true
+---
+# Tests for exclusion 0
+
+```yaml
+title: "0"
+has_children: true
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/00.md b/docs/tests/navigation/exclude/00.md
new file mode 100644
index 0000000..5353004
--- /dev/null
+++ b/docs/tests/navigation/exclude/00.md
@@ -0,0 +1,15 @@
+---
+layout: default
+title: "00"
+parent: "0"
+has_children: true
+nav_exclude: true
+---
+# Tests for exclusion 00
+
+```yaml
+title: "00"
+parent: "0"
+has_children: true
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/000.md b/docs/tests/navigation/exclude/000.md
new file mode 100644
index 0000000..fa34b83
--- /dev/null
+++ b/docs/tests/navigation/exclude/000.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "000"
+parent: "00"
+grand_parent: "0"
+has_children: false
+nav_exclude: true
+---
+# Tests for exclusion 000
+
+```yaml
+title: "000"
+parent: "00"
+grand_parent: "0"
+has_children: false
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/001.md b/docs/tests/navigation/exclude/001.md
new file mode 100644
index 0000000..823cfad
--- /dev/null
+++ b/docs/tests/navigation/exclude/001.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "001"
+parent: "00"
+grand_parent: "0"
+has_children: false
+nav_exclude: false
+---
+# Tests for exclusion 001
+
+```yaml
+title: "001"
+parent: "00"
+grand_parent: "0"
+has_children: false
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/01.md b/docs/tests/navigation/exclude/01.md
new file mode 100644
index 0000000..499230e
--- /dev/null
+++ b/docs/tests/navigation/exclude/01.md
@@ -0,0 +1,15 @@
+---
+layout: default
+title: "01"
+parent: "0"
+has_children: true
+nav_exclude: false
+---
+# Tests for exclusion 01
+
+```yaml
+title: "01"
+parent: "0"
+has_children: true
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/010.md b/docs/tests/navigation/exclude/010.md
new file mode 100644
index 0000000..01f498e
--- /dev/null
+++ b/docs/tests/navigation/exclude/010.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "010"
+parent: "01"
+grand_parent: "0"
+has_children: false
+nav_exclude: true
+---
+# Tests for exclusion 010
+
+```yaml
+title: "010"
+parent: "01"
+grand_parent: "0"
+has_children: false
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/011.md b/docs/tests/navigation/exclude/011.md
new file mode 100644
index 0000000..e1413b3
--- /dev/null
+++ b/docs/tests/navigation/exclude/011.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "011"
+parent: "01"
+grand_parent: "0"
+has_children: false
+nav_exclude: false
+---
+# Tests for exclusion 011
+
+```yaml
+title: "011"
+parent: "01"
+grand_parent: "0"
+has_children: false
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/1.md b/docs/tests/navigation/exclude/1.md
new file mode 100644
index 0000000..4200f2c
--- /dev/null
+++ b/docs/tests/navigation/exclude/1.md
@@ -0,0 +1,13 @@
+---
+layout: default
+title: "1"
+has_children: true
+nav_exclude: false
+---
+# Tests for exclusion 1
+
+```yaml
+title: "1"
+has_children: true
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/10.md b/docs/tests/navigation/exclude/10.md
new file mode 100644
index 0000000..c68339e
--- /dev/null
+++ b/docs/tests/navigation/exclude/10.md
@@ -0,0 +1,15 @@
+---
+layout: default
+title: "10"
+parent: "1"
+has_children: true
+nav_exclude: true
+---
+# Tests for exclusion 10
+
+```yaml
+title: "10"
+parent: "1"
+has_children: true
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/100.md b/docs/tests/navigation/exclude/100.md
new file mode 100644
index 0000000..22d144e
--- /dev/null
+++ b/docs/tests/navigation/exclude/100.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "100"
+parent: "10"
+grand_parent: "1"
+has_children: false
+nav_exclude: true
+---
+# Tests for exclusion 100
+
+```yaml
+title: "100"
+parent: "10"
+grand_parent: "1"
+has_children: false
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/101.md b/docs/tests/navigation/exclude/101.md
new file mode 100644
index 0000000..5f4a0ee
--- /dev/null
+++ b/docs/tests/navigation/exclude/101.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "101"
+parent: "10"
+grand_parent: "1"
+has_children: false
+nav_exclude: false
+---
+# Tests for exclusion 101
+
+```yaml
+title: "101"
+parent: "10"
+grand_parent: "1"
+has_children: false
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/11.md b/docs/tests/navigation/exclude/11.md
new file mode 100644
index 0000000..6ec08b3
--- /dev/null
+++ b/docs/tests/navigation/exclude/11.md
@@ -0,0 +1,15 @@
+---
+layout: default
+title: "11"
+parent: "1"
+has_children: true
+nav_exclude: false
+---
+# Tests for exclusion 11
+
+```yaml
+title: "11"
+parent: "1"
+has_children: true
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/110.md b/docs/tests/navigation/exclude/110.md
new file mode 100644
index 0000000..a9e8610
--- /dev/null
+++ b/docs/tests/navigation/exclude/110.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "110"
+parent: "11"
+grand_parent: "1"
+has_children: false
+nav_exclude: true
+---
+# Tests for exclusion 110
+
+```yaml
+title: "110"
+parent: "11"
+grand_parent: "1"
+has_children: false
+nav_exclude: true
+```
diff --git a/docs/tests/navigation/exclude/111.md b/docs/tests/navigation/exclude/111.md
new file mode 100644
index 0000000..524ab89
--- /dev/null
+++ b/docs/tests/navigation/exclude/111.md
@@ -0,0 +1,17 @@
+---
+layout: default
+title: "111"
+parent: "11"
+grand_parent: "1"
+has_children: false
+nav_exclude: false
+---
+# Tests for exclusion 111
+
+```yaml
+title: "111"
+parent: "11"
+grand_parent: "1"
+has_children: false
+nav_exclude: false
+```
diff --git a/docs/tests/navigation/exclude/excluded-child.md b/docs/tests/navigation/exclude/excluded-child.md
deleted file mode 100644
index b7b4f9a..0000000
--- a/docs/tests/navigation/exclude/excluded-child.md
+++ /dev/null
@@ -1,15 +0,0 @@
----
-layout: default
-title: Excluded Child
-parent: Not Excluded
-nav_exclude: true
----
-# Excluded Child
-
-This child page is explicitly excluded, and should not appear in the navigation.
-
-```yaml
-title: Excluded Child
-parent: Not Excluded
-nav_exclude: true
-```
diff --git a/docs/tests/navigation/exclude/excluded-grandchild.md b/docs/tests/navigation/exclude/excluded-grandchild.md
deleted file mode 100644
index 2e3eadf..0000000
--- a/docs/tests/navigation/exclude/excluded-grandchild.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-layout: default
-title: Excluded Grandchild
-parent: Non-excluded Child
-grand_parent: Non-excluded
-nav_exclude: true
----
-# Excluded Grandchild
-
-This grandchild page is explicitly excluded, and should not appear in the navigation.
-
-```yaml
-title: Excluded Grandchild
-parent: Non-excluded Child
-grand_parent: Non-excluded
-nav_exclude: true
-```
diff --git a/docs/tests/navigation/exclude/excluded.md b/docs/tests/navigation/exclude/excluded.md
deleted file mode 100644
index 50cebd3..0000000
--- a/docs/tests/navigation/exclude/excluded.md
+++ /dev/null
@@ -1,15 +0,0 @@
----
-layout: default
-title: Excluded
-has_children: true
-nav_exclude: true
----
-# Excluded
-
-This top-level page is explicitly excluded, and should not appear in the navigation. Any child pages are implicitly excluded.
-
-```yaml
-title: Excluded
-has_children: true
-nav_exclude: true
-```
diff --git a/docs/tests/navigation/exclude/index.md b/docs/tests/navigation/exclude/index.md
new file mode 100644
index 0000000..cdeeaab
--- /dev/null
+++ b/docs/tests/navigation/exclude/index.md
@@ -0,0 +1,32 @@
+---
+layout: default
+title: Exclusion
+parent: Navigation
+grand_parent: Tests
+---
+
+# Tests for exclusion Exclusion
+
+## Tests for exclusion Included in main navigation
+
+- ["1"](1/)
+- ["11"](11/)
+- ["111"](111/)
+
+## Tests for exclusion Included only in child navigation
+
+- ["110"](110/)
+- ["10"](10/)
+- ["101"](101/)
+- ["100"](100/)
+
+## Tests for exclusion Not included in navigation
+
+- ["0"](0/)
+- ["01"](01/)
+- ["011"](011/)
+- ["010"](010/)
+- ["00"](00/)
+- ["001"](001/)
+- ["000"](000/)
+- ["Untitled"](untitled/)
diff --git a/docs/tests/navigation/exclude/non-excluded-child-of-excluded.md b/docs/tests/navigation/exclude/non-excluded-child-of-excluded.md
deleted file mode 100644
index efe478c..0000000
--- a/docs/tests/navigation/exclude/non-excluded-child-of-excluded.md
+++ /dev/null
@@ -1,15 +0,0 @@
----
-layout: default
-title: Non-excluded Child of Excluded
-parent: Excluded
-nav_exclude: false
----
-# Non-excluded Child of Excluded
-
-This child page is explicitly not excluded, but its parent page is excluded, so it should not appear in the navigation.
-
-```yaml
-title: Non-excluded Child of Excluded
-parent: Excluded
-nav_exclude: false
-```
diff --git a/docs/tests/navigation/exclude/non-excluded-child.md b/docs/tests/navigation/exclude/non-excluded-child.md
deleted file mode 100644
index b7ec02d..0000000
--- a/docs/tests/navigation/exclude/non-excluded-child.md
+++ /dev/null
@@ -1,16 +0,0 @@
----
-layout: default
-title: Non-excluded Child
-parent: Non-excluded
-has_children: true
-nav_exclude: false
----
-# Non-excluded Child
-
-This child page is explicitly not excluded, and should appear in the navigation.
-
-```yaml
-title: Non-excluded Child
-parent: Non-excluded
-nav_exclude: false
-```
diff --git a/docs/tests/navigation/exclude/non-excluded-grandchild-of-excluded.md b/docs/tests/navigation/exclude/non-excluded-grandchild-of-excluded.md
deleted file mode 100644
index 8dc7720..0000000
--- a/docs/tests/navigation/exclude/non-excluded-grandchild-of-excluded.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-layout: default
-title: Non-excluded Grandchild of Excluded
-parent: Non-excluded Child
-grand_parent: Excluded
-nav_exclude: false
----
-# Non-excluded Grandchild of Excluded
-
-This grandchild page is explicitly not excluded, and neither is its parent page; but its grandparent page is excluded, so it should not appear in the navigation.
-
-```yaml
-title: Non-excluded Grandchild of Excluded
-parent: Non-excluded Child
-grand_parent: Excluded
-nav_exclude: false
-```
diff --git a/docs/tests/navigation/exclude/non-excluded-grandchild.md b/docs/tests/navigation/exclude/non-excluded-grandchild.md
deleted file mode 100644
index 6fc2dd1..0000000
--- a/docs/tests/navigation/exclude/non-excluded-grandchild.md
+++ /dev/null
@@ -1,17 +0,0 @@
----
-layout: default
-title: Non-excluded Grandchild
-parent: Non-excluded Child
-grand_parent: Non-excluded
-nav_exclude: false
----
-# Non-excluded Grandchild
-
-This grandchild page is explicitly not excluded, and neither is its parent page nor its grandparent page, so it should appear in the navigation.
-
-```yaml
-title: Non-excluded Grandchild of Excluded
-parent: Non-excluded Child
-grand_parent: Excluded
-nav_exclude: false
-```
diff --git a/docs/tests/navigation/exclude/non-excluded.md b/docs/tests/navigation/exclude/non-excluded.md
deleted file mode 100644
index 849c4f2..0000000
--- a/docs/tests/navigation/exclude/non-excluded.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-layout: default
-title: Non-excluded
-has_children: true
-nav_exclude: false
----
-# Non-excluded
-
-This top-level page is explicitly not excluded, and should appear in the navigation.
-
-```yaml
-title: Non-excluded
-nav_exclude: false
-```
diff --git a/docs/tests/navigation/exclude/untitled.md b/docs/tests/navigation/exclude/untitled.md
index 8fcd544..d822889 100644
--- a/docs/tests/navigation/exclude/untitled.md
+++ b/docs/tests/navigation/exclude/untitled.md
@@ -1,6 +1,6 @@
 ---
 layout: default
 ---
-# Untitled
+# Tests for exclusion Untitled
 
 This page does not have a `title`, and it is excluded from the navigation -- unless it is located in a Jekyll collection (which provides default titles). To exclude a title-less page from the navigation, regardless of whether it is located in a collection, set `nav_exclude: true`.
diff --git a/docs/tests/navigation/grandparent/index.md b/docs/tests/navigation/grandparent/index.md
new file mode 100644
index 0000000..980a38b
--- /dev/null
+++ b/docs/tests/navigation/grandparent/index.md
@@ -0,0 +1,12 @@
+---
+layout: default
+title: Parent disambiguation
+parent: Navigation
+grand_parent: Tests
+---
+
+# Parent disambiguation
+
+- [Page A](a/) has a child [page with title C](ca/), and a grandchild [page with title D](dca/).
+- [Page B](b/) has a child [page with title C](cb/), and a grandchild [page with title D](dcb/).
+- The grandchild pages specify their parent and grandparent pages, so there is no ambiguity.
diff --git a/docs/tests/navigation/index.md b/docs/tests/navigation/index.md
index 50587d8..90c6711 100644
--- a/docs/tests/navigation/index.md
+++ b/docs/tests/navigation/index.md
@@ -2,27 +2,7 @@
 layout: default
 title: Navigation
 parent: Tests
+has_children: true
 ---
 
 # Navigation
-
-## Parent page disambiguation
-
-- [Page A](grandparent/a/) has a child [page with title C](grandparent/ca/), and a grandchild [page with title D](grandparent/dca/).
-- [Page B](grandparent/b/) has a child [page with title C](grandparent/cb/), and a grandchild [page with title D](grandparent/dcb/).
-- The grandchild pages specify their parent and grandparent pages, so there is no ambiguity.
-
-## Page exclusion
-
-- An [untitled page](exclude/untitled/) is excluded from the navigation.
-- An excluded [top level page](exclude/excluded/), [child page](exclude/excluded-child/), or [grandchild page](exclude/excluded-grandchild/) does not appear.
-- A non-excluded [top level page](exclude/non-excluded/) appears; and a non-excluded [child page](exclude/non-excluded-child/) or [grandchild page](exclude/non-excluded-grandchild/) appears if its parent appears.
-- A non-excluded child page or grandchild page does not appear if its parent is excluded.
-
-## Page order
-
-- [Default](order/default/), using `title` instead of `nav_order` fields.
-- [Strings](order/strings/), lexicographically ordered, possibly case-insensitively.
-- [Integers](order/integers/), numerically ordered.
-- [Floats](order/floats/), numerically ordered.
-- [Mixture](order/mixture/), with numbers before strings.
diff --git a/docs/tests/navigation/order/default/index.md b/docs/tests/navigation/order/default/index.md
index d672d77..3c9cd8f 100644
--- a/docs/tests/navigation/order/default/index.md
+++ b/docs/tests/navigation/order/default/index.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Default
-parent: Order
+parent: Tests for navigation order
 nav_order: 1
 has_children: true
 ---
diff --git a/docs/tests/navigation/order/floats/index.md b/docs/tests/navigation/order/floats/index.md
index 2a3db37..145ed50 100644
--- a/docs/tests/navigation/order/floats/index.md
+++ b/docs/tests/navigation/order/floats/index.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Floats
-parent: Order
+parent: Tests for navigation order
 nav_order: 4
 has_children: true
 ---
diff --git a/docs/tests/navigation/order/index.md b/docs/tests/navigation/order/index.md
index c1b488a..427cc93 100644
--- a/docs/tests/navigation/order/index.md
+++ b/docs/tests/navigation/order/index.md
@@ -1,8 +1,14 @@
 ---
 layout: default
 title: Order
-has_children: true
-nav_order: 110
+parent: Navigation
+grand_parent: Tests
 ---
 
 # Order
+
+- [Default](default/), using `title` instead of `nav_order` fields.
+- [Strings](strings/), lexicographically ordered, possibly case-insensitively.
+- [Integers](integers/), numerically ordered.
+- [Floats](floats/), numerically ordered.
+- [Mixture](mixture/), with numbers before strings.
diff --git a/docs/tests/navigation/order/integers/index.md b/docs/tests/navigation/order/integers/index.md
index 674c841..093944c 100644
--- a/docs/tests/navigation/order/integers/index.md
+++ b/docs/tests/navigation/order/integers/index.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Integers
-parent: Order
+parent: Tests for navigation order
 nav_order: 3
 has_children: true
 ---
diff --git a/docs/tests/navigation/order/mixture/index.md b/docs/tests/navigation/order/mixture/index.md
index 1d45bc7..5b25463 100644
--- a/docs/tests/navigation/order/mixture/index.md
+++ b/docs/tests/navigation/order/mixture/index.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Mixture
-parent: Order
+parent: Tests for navigation order
 nav_order: 5
 has_children: true
 ---
diff --git a/docs/tests/navigation/order/order.md b/docs/tests/navigation/order/order.md
new file mode 100644
index 0000000..2d8cebf
--- /dev/null
+++ b/docs/tests/navigation/order/order.md
@@ -0,0 +1,7 @@
+---
+layout: default
+title: Tests for order
+has_children: true
+---
+
+# Order
diff --git a/docs/tests/navigation/order/strings/index.md b/docs/tests/navigation/order/strings/index.md
index 3eb5bc5..10d20fa 100644
--- a/docs/tests/navigation/order/strings/index.md
+++ b/docs/tests/navigation/order/strings/index.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Strings
-parent: Order
+parent: Tests for navigation order
 nav_order: 2
 has_children: true
 ---